In which of the following complexes the metal ion has the lowest ionic radius ?

In which of the following complexes the metal ion has the lowest ionic radius ?
by

1 Answer

Answer :

In which of the following complexes the metal ion has the lowest ionic radius ? A. `[Ti(H_(2)O)_(6)]^(2+)` B. `[V ... (2+)` D. `[Mn(H_(2)O)_(6)]^(2+)`
by
selected by

Related questions

Which of the following factors does tends to increase the stability of metal ion complexes ?

Description : Which of the following factors does tends to increase the stability of metal ion complexes ?

Last Answer : Which of the following factors does tends to increase the stability of metal ion complexes ? A. ... metal ion D. Lower basicity of the ligands.

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

Consider the follwing complexes ion `P,Q` and `R` `P =[FeF_(6)]^(3-), Q=[V(H_(2)O)_(6)]^(2+)` and `R=[Fe(H_(2)O)_(6)]^(2+)` The correct order of the c

Description : Consider the follwing complexes ion `P,Q` and `R` `P =[FeF_(6)]^(3-), Q=[V(H_(2)O)_(6)]^(2+)` and `R=[Fe(H_(2)O)_(6)]^(2+)` The correct order of the c

Last Answer : Consider the follwing complexes ion `P,Q` and `R` `P =[FeF_(6)]^(3-), Q=[V(H_(2)O)_(6)]^(2+)` and `R=[Fe( ... lt P` C. `R lt P lt Q` D. `Q lt P lt R`

Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions?

Description : Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions?

Last Answer : Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions? A. `Li^(+)` B. `Na^(+)` C. `Rb^(+)` D. `Cs^(+)`

Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?

Description : Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?

Last Answer : Salt

Which force is most important in allowing ammonia, NH3, to dissolve in water? A hydrogen bonding B dipole-induced dipole C ion-dipole D dipole-dipole E ionic

Description : Which force is most important in allowing ammonia, NH3, to dissolve in water? A hydrogen bonding B dipole-induced dipole C ion-dipole D dipole-dipole E ionic

Last Answer : A hydrogen bonding

The base peak in mass spectrum is? A. The lowest mass peak B. The peak corresponding to the parent ion C. The highest mass peak D. The peak set to 100% relative intensity

Description : The base peak in mass spectrum is? A. The lowest mass peak B. The peak corresponding to the parent ion C. The highest mass peak D. The peak set to 100% relative intensity

Last Answer : The peak set to 100% relative intensity

Statement I Sulphate is extimated as `BaSO_(4)`, not as `MgSO_(4)`. Statement II Ionic radius of `Mg^(2+)` is smaller than that of `Ba^(2+)`.

Description : Statement I Sulphate is extimated as `BaSO_(4)`, not as `MgSO_(4)`. Statement II Ionic radius of `Mg^(2+)` is smaller than that of `Ba^(2+)`.

Last Answer : Statement I Sulphate is extimated as `BaSO_(4)`, not as `MgSO_(4)`. Statement II Ionic radius of ... false. D. Assertion is false but Reason is true.

Define : a. Ionic radius b. Electronegativity

Description : Define : a. Ionic radius b. Electronegativity

Last Answer : Define : a. Ionic radius b. Electronegativity

Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Description : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Last Answer : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= velocity of positive ion)

Description : In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= velocity of positive ion)

Last Answer : In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= ... 1)` C. `v` D. `v^(2)`

(a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site is occupied by Ag ion ? (c) At what temp. range, most of the metals becomes super conductors ?

Description : (a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site ... Ag ion ?  (c) At what temp. range, most of the metals becomes super conductors ?

Last Answer : (a) For a tetrahedron the limiting ratio is 0.225 – 0.414 For largest cation highest value 0.414 would be considered. r + / r– = 0.414 r + = 0.414 × 0.182 = 0.075 nm. (b) In FCC there are 8 tetrahedral voids. Out of this ½ is occupied by Ag cation. (c) 2 k – 5 k.

When an elemental metal combines with an elemental nonmetal it forms a A covalent compound B binary ionic compound C double salt D polar covalent compound?

Description : When an elemental metal combines with an elemental nonmetal it forms a A covalent compound B binary ionic compound C double salt D polar covalent compound?

Last Answer : Ghh

Which alkali metal has the highest ionic radii ?

Description : Which alkali metal has the highest ionic radii ?

Last Answer : Ans.Cs.

Why are transition metal fluorides are ionic in nature where as chlorides and bromides are covalent in nature .

Description : Why are transition metal fluorides are ionic in nature where as chlorides and bromides are covalent in nature . 

Last Answer : Ans - It is because of fluorine is most electronegative where as Cl and Br are less electro negative . Greater the difference in electro negativity more will be ionic character .

The metal ion which does not give any flame colouration is-

Description : The metal ion which does not give any flame colouration is-

Last Answer : The metal ion which does not give any flame colouration is- A. `Li^(+)` B. `Be^(+2)` C. `Na^(+)` D. `K^(+)`

The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order:

Description : The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order:

Last Answer : The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order: A. `K^(+)lt Na + ... (+)lt K^(+)lt Na^(+)lt Li^(+)`

The complex ion that does not have d electrons in the metal atom is

Description : The complex ion that does not have d electrons in the metal atom is

Last Answer : The complex ion that does not have d electrons in the metal atom is A. `[MnO_(4)]^(-)` B. `[Co(NH_(3))_(6)]^(3+ ... ]^(3-)` D. `[Cr(H_(2)O)_(6)]^(3+)`

A coordination complex of type `MX_(2)Y_(2)`[M=metal ion, X,Y=monodentata ligands ], can have either a tetrahedral of a square planar geometry. The ma

Description : A coordination complex of type `MX_(2)Y_(2)`[M=metal ion, X,Y=monodentata ligands ], can have either a tetrahedral of a square planar geometry. The ma

Last Answer : A coordination complex of type `MX_(2)Y_(2)`[M=metal ion, X,Y=monodentata ligands ], can have either a tetrahedral ... 2 and 1 C. 1 and 3 D. 3 and 2

The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` absorb wavelength in the region of red, gre

Description : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` absorb wavelength in the region of red, gre

Last Answer : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` ... `L_(1) lt L_(2) lt L_(4) lt L_(3)`

During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Description : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Last Answer : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ... acid C. A reducing agent D. A complexing agent

Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal is recovered by _______

Description : Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal is recovered by _______

Last Answer : Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal ... by roasting D. thermal decomposition of metal complex

Which vitamin contains metal ion?

Description : Which vitamin contains metal ion?

Last Answer : Ans. Vitamin B12

The bond formed between the transition metal ion and ligand is ?

Description : The bond formed between the transition metal ion and ligand is ?

Last Answer : Co-ordination covalent bond Transitional metal Ions can form complex compounds by. By accepting the lone pair of electrons from ligand

The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : (1) cobalt Explanation: The structure of B12 is based on a corrin ring, which is similar to the porphyrin ring found in heme, chlorophyll, and cytochrome. It contains the biochemically rare element cobalt sitting in the center of the ring. Also called cobalamin, it is a water-soluble vitamin.

What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?

Description : What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?

Last Answer : Wilkinson’s catalyst is (PH3 P)3 RhCl. In this Rh has dsp² hybridisation and square planar shape.

Consider the following statements. (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option. (a) (A) is false but (B) is true. (b) Both (A) and (B) are true. (c) (A) is true but (B) is false. (d) Both (A) and (B) are false

Description : Consider the following statements. (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the ... ) (A) is true but (B) is false. (d) Both (A) and (B) are false

Last Answer : (d) Both (A) and (B) are false.

In vitamin B12 which metal ion present

Description : In vitamin B12 which metal ion present

Last Answer : Cobalt

What type of battery is used in an electric car? A] Lithium ion B] Nickel -metal hydride C] Both A and B D] None of the above

Description : What type of battery is used in an electric car? A] Lithium ion B] Nickel -metal hydride C] Both A and B D] None of the above

Last Answer : C] Both A and B

Which is smaller in size between a metal ion and its parent atom?

Description : Which is smaller in size between a metal ion and its parent atom? 

Last Answer : The monovalent ions (M+ ) are smaller than the parent atom.

Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Last Answer : ANSWER: X -- HYDROGEN ION

What metal ion is found in chlorophyll?

Description : What metal ion is found in chlorophyll?

Last Answer : ANSWER: MAGNESIUM ION

The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Description : The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron

Last Answer : cobalt

Compare the following complexes’ with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : (i) [Ni(CN)4]2- (ii) [NiCl4]2- (iii) [CoF6]3- [At. Nos. : Ni = 28; Co = 27] -Chemistry

Description : Compare the following complexes’ with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : (i) [Ni(CN)4]2- (ii) [NiCl4]2- (iii) [CoF6]3- [At. Nos. : Ni = 28; Co = 27] -Chemistry

Last Answer : (i) [Ni(CN)4]2- Shape : Octahedral outer orbital complex Hybridisation : sp3d2 Magnetic behaviour : Paramagnetic (4 unpaired electrons)

Explain the following : (i) Low spin octahedral complexes of nickel are not known. (ii) The π-complexes are known for transition elements only. (iii) CO is a stronger ligand than NTL, for many metals. -Chemistry

Description : Explain the following : (i) Low spin octahedral complexes of nickel are not known. (ii) The π-complexes are known for transition elements only. (iii) CO is a stronger ligand than NTL, for many metals. -Chemistry

Last Answer : (i) The electronic configuration of Ni is [Ar] 3d8 4s2 which shows that it can only form two types of complexes i.e. square planar (dsp2) in presence of strong ligand and tetrahedral (sp3) in ... more splitting of d-orbitals and moreover it is also able to form π bond due to back bonding.

Compare the following complexes with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : [Co(NH3)6]+3, [Cr(NH3)6]3+, Ni(CO)4 (At. nos. : Co = 27, Cr = 24, Ni = 28) -Chemistry

Description : Compare the following complexes with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : [Co(NH3)6]+3, [Cr(NH3)6]3+, Ni(CO)4 (At. nos. : Co = 27, Cr = 24, Ni = 28) -Chemistry

Last Answer : (i) [Co(NH3)6]+3 → Octahedral shape, d2sp3 hybridisation, diamagnetic Formation of [Co(NH2)6]+3 → oxidation state of Co is +3.

Compare the following complexes with respect to their shape, magnetic behaviour and the hybrid orbitals involved : (i) [CoF4]2- (ii) [Cr(H2O)2(C2O4)2]– (iii) [Ni(CO)4] (Atomic number : Co = 27, Cr = 24, Ni = 28) -Chemistry

Description : Compare the following complexes with respect to their shape, magnetic behaviour and the hybrid orbitals involved : (i) [CoF4]2- (ii) [Cr(H2O)2(C2O4)2]– (iii) [Ni(CO)4] (Atomic number : Co = 27, Cr = 24, Ni = 28) -Chemistry

Last Answer : (i) [COF4]2_ : Tetrafluorido cobalt (III) ion Coordination number = 4 Shape = Tetrahedral Hybridisation = sp3 Important Questions for Class 12 Chemistry Chapter 9 Coordination Compounds Class 12 Important Questions 7

Describe the shape and magnetic behaviour of following complexes : (i) [CO(NH3)6]3+ (ii) [Ni(CN)4]2- (At. No. Co = 27, Ni = 28) -Chemistry

Description : Describe the shape and magnetic behaviour of following complexes : (i) [CO(NH3)6]3+ (ii) [Ni(CN)4]2- (At. No. Co = 27, Ni = 28) -Chemistry

Last Answer : (i) [CO(NH3)6]3+ : Orbitals of CO3+ ion : Hybridization : d2sp3 Shape : Octahedral Magnetic behaviour : Diamagnetic (absence of unpaired electrons) (ii) [Ni(CN)4]2-

Why are low spin tetrahedral complexes not formed? -Chemistry

Description : Why are low spin tetrahedral complexes not formed? -Chemistry

Last Answer : Law spin tetrahedral complexes are rarely observed because orbital splitting energies for tetrahedral complexes are sufficiently large for forcing pairing.

Assertion: Light-harvesting complexes (LHC) on thylkoid membrane broaden the range of light absorption: Reason: They transfer electrons to reaction ce

Description : Assertion: Light-harvesting complexes (LHC) on thylkoid membrane broaden the range of light absorption: Reason: They transfer electrons to reaction ce

Last Answer : Assertion: Light-harvesting complexes (LHC) on thylkoid membrane broaden the range of light absorption: ... . If both Assertion and Reason are false.

Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is called

Description : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is called

Last Answer : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, ... C. Wind break D. Both B and C

Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is called

Description : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, etc. is called

Last Answer : Plantations of rows of trees and shrubs along roads, rails, around residential complexes, educational institutes, ... C. Wind break D. Both B and C

The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Description : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2 ... . D. It produces three-fold freezing point depression.

The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Description : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and ... (H_(2)O)_(2)](NO_(3))_(2)`, octahedral

In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the complex is:

Description : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the complex is:

Last Answer : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the ... B. Square bipyramidal C. Tetrahedral D. square planar

The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Description : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i

Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero ... two B. zero, zero C. two, zero D. two ,two

Which of the complexes has the magnetic moment of 3.87 BM ?

Description : Which of the complexes has the magnetic moment of 3.87 BM ?

Last Answer : Which of the complexes has the magnetic moment of 3.87 BM ? A. `[Co(NH_(3))_(6)]^(3+)` ... (dmg)_(2)]` square planar complex (dmg= dimethyl glyoxime )

Among the following complexes, the one which shows zero crystal field stabilization energy (CFSE) is

Description : Among the following complexes, the one which shows zero crystal field stabilization energy (CFSE) is

Last Answer : Among the following complexes, the one which shows zero crystal field stabilization energy (CFSE) is A. `[Mn(H_(2)O)_(6 ... D. `[Co(H_(2)O)_(6)]^(3+)`

Which of the following complexes will show geometrical isomerism ?

Description : Which of the following complexes will show geometrical isomerism ?

Last Answer : Which of the following complexes will show geometrical isomerism ? A. Potassium tris( ... II) chloride D. Potassium amminetrichloroplatinate(II)

The magnitude of crystal field stabilisation energy (CFSE of `Delta_(1)`) in tetrahedral complexes is considerably less than that in the octahderal fi

Description : The magnitude of crystal field stabilisation energy (CFSE of `Delta_(1)`) in tetrahedral complexes is considerably less than that in the octahderal fi

Last Answer : The magnitude of crystal field stabilisation energy (CFSE of `Delta_(1)`) in tetrahedral complexes is ... Both point (A) and (B) are wrong.